Chain Operation of a firearm

For this assignment, you’ll be reflecting on the importance of studying obscure operating mechanisms for a civilian firearms professional. Review the content on chain operations before answering the following prompts:

• Briefly summarize “chain operation” and cite one modern firearm that operates via this mechanism.
  
• Is it important for civilian gunsmiths and armorers to be familiar with chain-operated firearms? Why or why not?
  

Your submission should be a minimum of 250 words.